GREY'S ANATOMY - "That's Me Trying" - The residents are pushed to their limits when Owen puts them through a rigorous trauma certification drill; meanwhile, Cristina is also tested when left alone to monitor a very ill lung transplant patient, on "Grey's Anatomy," THURSDAY, NOVEMBER 4 (9:00-10:01 p.m., ET) on the ABC Television Network. (ABC/ADAM TAYLOR) CHYLER LEIGH, JUSTIN CHAMBERS, SARAH DREW